Surveillance results of perinatal mortality in Lishui City from 2015 to 2020
ZHU Chunmei1,2, QIU Liqian1
1. Department of Women's Health, Women's Hospital, Affiliated to Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, China; 2. Lishui Maternal and Child Health Hospital Lishui, Zhejiang 323000, China
Abstract：Objective To investigate the perinatal mortality and its causes in Lishui City, Zhejiang Province, so as to provide insights into the reduction of perinatal mortality. Methods The perinatal mortality data were collected from three designated monitoring counties (districts) in Lishui City from 2015 to 2020. The changing trend in perinatal mortality and causes of death were analyzed, and the differences of perinatal causes of death and maternal conditions in urban and rural areas were compared. Results There were 406 perinatal deaths in three monitoring counties (districts) of Lishui City from 2015 to 2020. The perinatal mortality showed a downward trend (χ2trend=5.078, P=0.024), and the average perinatal mortality rate was 5.93‰. The top five causes of perinatal mortality were birth defects, unknown causes, umbilical cord factors, maternal factors and preterm delivery. There was significant difference in the causes of perinatal death between urban and rural areas (χ2=25.574, P<0.001); birth defects, umbilical cord factors and unknown causes were predominant in urban areas, accounting for 75.00% (138 deaths); while birth defects, unknown causes and maternal factors were predominant in rural areas, accounting for 67.57% (150 deaths). The proportion of junior high school education and below was significantly higher in rural women than in urban women with perinatal death (54.50% vs. 26.63%; χ2=32.117, P<0.001), and the proportion of more than 5 antenatal examinations was significantly lower in rural women than in urban women with perinatal death (46.85% vs. 59.24%; χ2=6.195, P=0.012). Conclusions The perinatal mortality appeared a tendency towards a decline in Lishui City from 2015 to 2020, and birth defect was the main cause. Prenatal and postnatal care and tertiary prevention should be strengthened.
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